en.Wedoany.com Reported - ZPMC (Shanghai Zhenhua Heavy Industries) has completed the installation of the world's largest offshore converter station, "Hai Feng Zhi Xin," using the float-over method in Chinese waters.

The converter station structure weighs 25,000 tons, with dimensions of approximately 82.5 meters × 85.5 meters × 44 meters, and was precisely installed with millimeter-level accuracy in connecting to the jacket legs.
During project implementation, the team needed to monitor sea conditions around the clock, accurately analyze tidal windows, utilize a full-process intelligent monitoring system, and finely control ballasting throughout the entire float-over operation.
Once fully operational, "Hai Feng Zhi Xin" will become the world's highest voltage level (approximately 500 kV) and largest capacity (2,000 MW) offshore HVDC flexible converter station, expected to generate about 6 billion kWh of clean electricity annually, supporting the transition to a low-carbon energy future in southern China.
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